8116231551 has 8 divisors (see below), whose sum is σ = 11170727424. Its totient is φ = 5236278360.

The previous prime is 8116231499. The next prime is 8116231603. The reversal of 8116231551 is 1551326118.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8116231499) and next prime (8116231603).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8116231551 - 2¹⁰ = 8116230527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116231351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43635561 + ... + 43635746.

It is an arithmetic number, because the mean of its divisors is an integer number (1396340928).

Almost surely, 2^8116231551 is an apocalyptic number.

8116231551 is a deficient number, since it is larger than the sum of its proper divisors (3054495873).

8116231551 is a wasteful number, since it uses less digits than its factorization.

8116231551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87271341.

The product of its digits is 7200, while the sum is 33.

The square root of 8116231551 is about 90090.1301530861. The cubic root of 8116231551 is about 2009.6394286508.

Adding to 8116231551 its reverse (1551326118), we get a palindrome (9667557669).

The spelling of 8116231551 in words is "eight billion, one hundred sixteen million, two hundred thirty-one thousand, five hundred fifty-one".